5550111 has 24 divisors (see below), whose sum is σ = 9413664. Its totient is φ = 3084480.

The previous prime is 5550073. The next prime is 5550113. The reversal of 5550111 is 1110555.

5550111 is a `hidden beast` number, since 5 + 550 + 111 = 666.

It is not a de Polignac number, because 5550111 - 2¹⁰ = 5549087 is a prime.

It is a super-2 number, since 2×5550111² = 61607464224642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (392236).

Almost surely, 2^5550111 is an apocalyptic number.

5550111 is a deficient number, since it is larger than the sum of its proper divisors (3863553).

5550111 is a wasteful number, since it uses less digits than its factorization.

5550111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 5550111 is about 2355.8673561981. The cubic root of 5550111 is about 177.0518855836.

Adding to 5550111 its reverse (1110555), we get a palindrome (6660666).

The spelling of 5550111 in words is "five million, five hundred fifty thousand, one hundred eleven".